Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium G DELL OptiPlex 3040m, 3,3 GHz, Intel Pentium G, G4400, 4 GB, 500 GB, Windows 7 Professional DELL OptiPlex 3040m. Processor frequency: 3,3 GHz, Processor family: Intel Pentium G, Processor model: G4400. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 500 GB, Storage media: HDD. On-board graphics card model: Intel® HD Graphics 510. Operating system installed: Windows 7 Professional, Operating system architecture: 64-bit. Power supply: 65 W. Chassis type: Mini PC. Product type: Mini PC. Product colour: Black